21-Tooth Size 80 Chain Sprocket With One And Three-Quarter Inch Finished Bore, Keyway And Set Screws, Durable Power Transmission Sprocket For Industrial Machinery And Equipment Ready To Install With Precise Keyway And Dual Set Screws

Regular price $214.50 Sale price$289.58you save $75.08
SKU: 80BS21-1 3/4
UPC: 00193019389942





80 Chain Sprocket with 21 Teeth, 1 3/4 Bore BS
✔️ 21-tooth, #80 chain size, finished bore 1 3/4 with keyway

This chain sprocket is designed for #80 roller chain drives, featuring 21 teeth and a 1 3/4 finished bore with a precision keyway and two set screws. Sold as a single sprocket ready to mount on conveyors, agricultural equipment, and industrial drive systems.

✅ Bore Size: 1 3/4 finished bore
✅ Chain Size: #80 roller chain
✅ Teeth: 21
✅ Bore Style: BS
✅ Keyway: 3/8 x 3/16
✅ Mounting: Includes 2 set screws

💡 What is a chain sprocket used for in power transmission?

Chain sprockets engage with roller chains to transfer torque between shafts, keeping drives synchronized.

- Transfers torque and motion between chain drives
- Maintains chain pitch alignment with drive components
- Easy mounting with a keyway and set screws
- Used in conveyors, agricultural equipment, and industrial drives